Groups in Modern Periodic Table
Trending Questions
Q.
Helium has ___ valence electrons and has valency of ___.
Q.
Why do the elements of the same group show identical property? Explain.
Q.
Y is a monovalent metal.
Write the formula of its (a) sulphate (b) phosphate
Q. The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups, because:
- both are found together in nature.
- both have nearly the same size.
- both have similar electronic configuration.
- the ratio of their charge to size is nearly the same.